Tabbed browser pages are a big efficiency booster. It's all in the Command-key: Command-click to load the link in a new tab, in the background.
⌘-click to open links in new tabs in Mac browsers
Organize your passwords on your Mac and be more secure
Time to get organized with a password management app. More than a safe place to store passwords, 1Password makes up new passwords, has secure notes, and more.
Let Apple take care of Daylight Saving Time on your Mac
Your Mac will always have the correct date and time, through power outages, Daylight Saving time, whatever-- if you choose the right options in the Date & Time preference pane.
Use the ⌘-Spacebar shortcut to bring up Spotlight on a Mac
The Mac's Spotlight system can help you find just about anything on your Mac. Make it easier to use by triggering it with a shortcut.
Smaller Mac Mail mailboxes open more quickly
The Mac's Mail app opens smaller folders faster than fuller ones. Speed up your Inbox by moving old mail to other mailboxes. Makes a big difference.
Use Mac Mail’s Activity window and Connection Doctor to see what Mail is doing
If Mail seems stuck, try going to the Window menu and choosing "Activity" and also "Connection Doctor." You'll learn a lot there.
Find more stuff in the Mac’s Recent Items menu
Increase the number of "Recent Items" that your Mac tracks. It's as easy as 1-2-3. Set it once and forget it.
Essential Mac Keyboard Shortcuts: go to the Desktop with ⌘-Shift-D
Quickly go to the Desktop folder with Command-Shift-D. It's fast, and it works both in Finder windows and in Open... and Save... dialog boxes.
Set paragraph alignment from the keyboard in Microsoft Word on a Mac
You can do centered, left justified, right justified, and fully justified, all from the keyboard, in Microsoft Word on a Mac.
Close every window of a Mac app, all at once
Command-W does what a click on the red button does. Command-Option-W does what an Option-click on the red button does-- close all windows for that app.